Sen. Senator; Senior.
Sep., Sept. September; Septuagint.
seq., sequentes or sequentia=The following.
ser. Series; Sermon.
Serg., Sergt. Sergeant;—Serj., Serjt., Serjeant.
Sess. Session.
sfz. Sforzando.
S.G. Solicitor-general.
s.g. Specific gravity.
S.H. School-house.